Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Janet Marie Nielsen, MD

Individual provider Family Medicine Physician · NPI 1679773980

Janet Marie Nielsen, MD is a Family Medicine Physician in Naperville, Illinois. Works from 2 locations. Licensed in Illinois.

Licensed in
IL
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1160 E Ogden Ave Ste 106
Naperville, IL 60563-2693
Phone: (331) 226-0315
Fax: (844) 689-2582
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 701 W North Ave, Melrose Park, IL 60160-1612 — (708) 681-3200

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 036.127246 (IL)

Record details

NPI number1679773980
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 24, 2007
Last updated in NPPESSeptember 2, 2025
Certification dateSeptember 2, 2025

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